| Sun-Witcher O-10-29582 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 1 | 185K | 156K | by Jan 1993 – Aug 2026 |
| Foster E O-10-34740 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 182K | 313K | Nov 1995 – Oct 2017 |
| Cobb, F. G. -B- O-3-9483 | Texian Operating Company, LLC only | Bay City (7900 Frio) | Matagorda | 13 | 180K | 293K | by Jan 1993 – Dec 2005 |
| Moss, Paul, -A- O-10-21101 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 178K | 243K | by Jan 1993 – Feb 2026 |
| Sheridan Oil Unit O-3-25142 | Sue-Ann Operating, L.C. only | Mohat, West (8790) | Colorado | 1 | 174K | 24.3K | Jun 2007 – Aug 2026 |
| State Tract 258 O-3-13210 | Erg Resources, L.L.C. only | Seabrook, E. (9790 F-15A Sand) | Chambers | 1 | 174K | 687K | by Jan 1993 – Feb 2003 |
| RCC 79 O-11-70694 | Pitts Energy Co. only | Tedbit (San Andres) | Gaines | 2 | 173K | 27.4K | Mar 2018 – Aug 2026 |
| TXL 27 4 BTA 1079 O-10-62391 | XTO Energy Inc. only | Spraberry (Trend Area) | Midland | 1 | 172K | 236K | Jun 2025 – Aug 2026 |
| Drees A-179 O-2-9458 | Murphy Expl. & Prod. Co. - USA only | Eagleville (Eagle Ford) | Karnes | 1 | 158K | 139K | Mar 2010 – Nov 2010 |
| Witcher, J. E. -A- O-10-21652 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 157K | 56.2K | by Jan 1993 – Aug 2026 |
| Champion Int'l. Unit A-796 O-6-14109 | Arcadia Energy Resources, LLC only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 156K | 1.15M | Jul 2001 – Aug 2026 |
| Johnson, J.L. -31- O-10-30599 | Basin Oil & Gas Operating, LLC only | Cowden, South (Canyon 8790) | Ector | 2 | 154K | 100K | by Jan 1993 – Aug 2026 |
| Barnhart 77N79 B O-9-21946 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Irion | 1 | 152K | 1.8M | Jul 2023 – Aug 2026 |
| Reese O-3-21932 | Goldking Minerals Mgmt, L.L.C. only | Alvin, North (7900) | Brazoria | 1 | 150K | 137K | Feb 1993 – Jun 1997 |
| Meteor Crater O-10-37118 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 149K | 1.89M | Jul 2003 – Sep 2018 |
| Hinkson "79" O-8-27797 | Dodson Prairie Oil & Gas LLC only | Strawn, NW. (Marble Falls) | Palo Pinto | 5 | 149K | 332K | Mar 1996 – Dec 2017 |
| King, J. W. 279 O-8-27965 | Star Production, Inc. only | Murfee (Canyon Reef) | Jones | 2 | 147K | 233K | Sep 1996 – Aug 2026 |
| Harris O-10-22824 | Roff Operating Company, LLC only | Sulphur Draw (Dean 8790) | Martin | 4 | 146K | 376K | by Jan 1993 – Jul 2014 |
| Barnhart 77N79 A O-9-21944 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Irion | 1 | 130K | 1.46M | Aug 2023 – Aug 2026 |
| Longbotham, Cora -A- O-10-22275 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 129K | 200K | by Jan 1993 – Jul 2026 |
| Moss, Paul, -C- O-10-20591 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 125K | 143K | by Jan 1993 – Nov 2014 |
| Bagley, J.E. O-10-30657 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 120K | 78.5K | by Jan 1993 – Aug 2001 |
| Cowden -A- O-10-30280 | Kinney Incorporated only | Cowden, South (Canyon 8790) | Ector | 1 | 116K | 167K | by Jan 1993 – Aug 2026 |
| Moss -G- O-10-22346 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 116K | 54.7K | by Jan 1993 – Aug 2026 |
| Slaughter "E" O-10-22702 | Roff Operating Company, LLC only | Sulphur Draw (Dean 8790) | Martin | 4 | 113K | 305K | by Jan 1993 – Jan 2019 |
| Sheridan O-3-17590 | Hoc Operating Co., Inc. only | Mohat, West (8790) | Colorado | 2 | 113K | 89.2K | by Jan 1993 – Mar 1999 |
| Foster "F" O-10-23356 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 112K | 126K | by Jan 1993 – Jun 2026 |
| Morrison '179' O-14-8846 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Roberts | 2 | 111K | 524K | Jan 2013 – Aug 2026 |
| Donner Gas Unit O-3-25236 | Forza Operating, LLC only | Doty, E. (Nodosaria 7930) | Orange | 1 | 110K | 191K | Jul 2008 – Aug 2013 |
| Amoco-Deatherage O-10-27882 | Ovintiv USA Inc. only | Sulphur Draw (Dean 8790) | Martin | 2 | 110K | 215K | by Jan 1993 – Jul 2021 |
| Cross H O-10-37240 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 107K | 700K | Jul 2003 – Aug 2026 |
| Longbotham, Cora "B" O-10-22498 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 107K | 114K | by Jan 1993 – Jul 2026 |
| Strickland O-3-22521 | Tri-Union Development Corp. only | Alvin, North (7900) | Brazoria | 1 | 107K | 64.2K | Oct 1994 – Aug 1997 |
| Moss, Paul "D" O-10-23771 | Sheridan Production Company, LLC only | Cowden, South (Canyon 8790) | Ector | 3 | 103K | 29.3K | by Jan 1993 – Feb 2012 |
| Martin, T. J. O-10-20343 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 3 | 102K | 37K | by Jan 1993 – Mar 2012 |
| Henderson, W. B. "C" O-10-23284 | Henderson, Bryan, Co. only | Cowden, South (Canyon 8790) | Ector | 2 | 102K | 53.8K | by Jan 1993 – Apr 2008 |
| Blackstone Minerals Unit A-979 G-6-190726 | Rockstar Production, LLC only | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 101K | 2.05M | Jun 2002 – Aug 2026 |
| Foster /I/ O-10-22277 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 101K | 80.3K | by Jan 1993 – Aug 2026 |
| Morrison '179' O-14-8997 | Mewbourne Oil Company only | Pan Petro (Marmaton) | Roberts | 2 | 99.9K | 700K | Aug 2013 – Dec 2017 |
| Slaughter-Trice O-10-20986 | Lario Oil & Gas Company only | Sulphur Draw (Dean 8790) | Martin | 4 | 98.5K | 125K | by Jan 1993 – Mar 2019 |
| Cowden W.E. -B- O-10-24398 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 97.7K | 205K | by Jan 1993 – Jul 2026 |
| Anders Gas Unit G-2-144878 | Scana Petroleum Resources, Inc. only | El Torito (Yegua 7957) | Jackson | 1 | 97.3K | 386K | by Jan 1993 – Jan 1995 |
| Amacker, V. T. 79 G-9-210686 | Civitas Permian Operating, LLC only | Amacker-Tippett (Devonian) | Upton | 1 | 95.8K | 2.38M | Apr 2005 – Apr 2016 |
| Vergara 1679 G-4-194505 | Hilcorp Energy Company only | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 95.5K | 4.45M | Mar 2003 – Aug 2026 |
| Slaughter "D" O-10-22751 | Roff Operating Company, LLC only | Sulphur Draw (Dean 8790) | Martin | 2 | 95.4K | 102K | by Jan 1993 – Aug 2026 |
| Moss -C- O-10-22100 | OXY USA WTP LP only | Cowden, South (Canyon 8790) | Ector | 1 | 93.5K | 41.5K | by Jan 1993 – Aug 2026 |
| Slaughter, Elma L. O-10-20227 | Ovintiv USA Inc. only | Sulphur Draw (Dean 8790) | Martin | 2 | 93.3K | 175K | by Jan 1993 – May 2024 |
| Slaughter -H- O-10-22250 | Mule Kick Operating LLC only | Sulphur Draw (Dean 8790) | Martin | 2 | 89.6K | 99.3K | by Jan 1993 – Jul 2026 |
| Torrey 279 O-14-8412 | Presidio Petroleum LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 2 | 86.2K | 1.58M | Dec 2010 – Aug 2026 |
| Moss, Paul, "B" O-10-22616 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 85.6K | 181K | by Jan 1993 – Jul 2026 |